26 lines
388 B
C++

#include<iostream>
#include<cstdio>
using namespace std;
int a[100];
int main()
{
int n,i,av,j,s=0;
cin>>n;
for (i=1; i<=n; i++)
{cin>>a[i]; s=s+a[i];}
av=s/n; s=0;
for (i=1; i<=n; i++) a[i]=a[i]-av;
i=1; j=n;
while (a[i]==0) i++;
while (a[j]==0) j++;
while (i<j)
{
a[i+1]=a[i+1]+a[i];
a[i]=0;
s++;
i++;
while (a[i]==0) i++;
}
cout<<s;
}